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PHYS-L@lists.nau.edu writes:Here are two obvious ones _ _ _ _
Other than vision correction, is there other common uses
for diverging lenses?
An achromatic objective in a telescope has one of each with
different
compositions to minimize chromatic aberation.
The peep hole in my front door has one of those.
hmmmm... a start.
Ken Fox
AP/IB Physics Teacher
Smoky Hill High School
Aurora, CO